10
SPREAD ADJUSTMENT AND APPLICATION RATES
For accurate and precise spreading rates, it is necessary that you know the weight in pounds per cubic foot of the
material to be spread. If this is not known, the weight can be quickly and accurately determined by the following
method:
1. Weigh an empty one gallon container.
2. Fill level full with the material to be used.
3. Weigh container and material, and then subtract the weight of the container to obtain the weight of the
material.
4. Mul ply the weight of the material by 7.5 to obtain the weight of the material in pounds per cubic foot.
Example: Typical Material-Potash
1) Weight of empty one gallon container 1.00 lbs.
2) Weight of fi lled container 10.35 lbs.
3) Weight of container (net) 9.35 lbs.
4) 9.35 X 7.5 70.125 lbs. /cu .
You would therefore use the column on the Spread Chart headed 70 to determine the proper gate opening
for the desired applica on rate.
Your Mobility Spreader with its heavy-duty distributor discs and blades will apply most materials in a 50 foot wide
swath.
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